Webmasters Stack Exchange
Webmasters Stack Exchange

Questions tagged [spam-prevention]

Preventing unwanted content from being posted on a website.

Preventing unwanted content from being posted on a website.

See How can I prevent comment spam on sites which I control? for analysis of common solutions.

119 questions
27
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4 answers

How can I prevent spam on sites which I control?

This is a general, community wiki question to address all non-specific spam prevention questions. If your question was closed as a duplicate of this question and you feel that the information provided here does not provide a sufficient answer,…
danlefree
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8 answers

Effective captcha solutions

Possible Duplicate: How can I prevent spam on sites which I control? ReCaptcha is all the rage at the moment, Based on customer/user feedback, what other captcha or general human verification tools have you used for your website? Links to the…
Aiden Bell
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16
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4 answers

Prevent malicious bots from posting spam

I remember a site closed due to misuse and I wonder if bots have a part of it. If the bot is POSTing something to my site what are ways I can combat it? I was thinking of setting some cookies and having the cookies changed via JavaScript + timestamp…
user1585
10
votes
2 answers

Forum Spam Question. Why are Chinese hackers posting tiny images on my forum

My forum is getting attacked by spammers with Chinese IP's. Replies are created to discussion topics, always short responses and along with the response an image is inserted using forum code which is then modified by the forum to an HTML image tag…
donxythe
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9
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2 answers

Does it really help against spam to replace the "@" with "(at)" and similar practices?

When e-mail addresses are mentioned on the web, I see a lot of: send (dot) me (at) spam (dot) com send . me (a) spam . com etc. Does it really help againt spambots finding the addresses to do these kinds of tricks?
PetaspeedBeaver
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3 answers

Prevent spam using Honey Pots

I am really curious about how to prevent comment spam in a forum using a honey pot trap for spam bots. What if CSS and javascript is turned off in a browser? Do you see any other disadvantages in the honey pot trap? What do you think every honey…
sfrj
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7
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1 answer

How to ban registrations from TOR exits?

I am getting far too many fake registrations through TOR exits. I would like to block these registrations like major sites do. What is the proper way to do that?
John K
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6
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3 answers

When using email as login name, what precautions should I take for registration?

When your registration form is using a user ID that is the same as their email address, I'm somewhat concerned over spammers using the "User name is in use" as a means to validate the existence of an email, or if there are other concerns I need to…
Incognito
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6
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2 answers

How to protect a form from spam?

I have compiled a list of items that may protect a web form from span. Which are actually effective? Please feel free to add additional items. Store a code as a hidden field and verify it when submitted. Use jQuery to set the method and action…
Hoytman
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5
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2 answers

Which email addresses should I activate for a website?

While checking the log files for a website (let's say http://example.com) I manage, I saw that there is lot of spam being addressed to email addresses like genericusername@example.com or othergenericusername@example.com, which do not exist nor have…
Pit
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5
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1 answer

Spamassasin reports HTML_FONT_TINY with huge penalty, what is it?

Update The authors of the plugin suggested that it is a false positive. I am using MailPoet in a Wordpress installation to send newsletters. In an effort to validate the chances a newsletter has to be characterized as 'spam', I sent an email to…
raratiru
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5
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3 answers

Reduce likelihood of Mailchimp email campaign going to Spam

The company I work for sends a marketing email at least one time per week using Mailchimp's email service. All of our subscribers are opt-in active customers and our emails are not spammy. There is an above average text to image ratio, and copy…
davidcondrey
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5
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3 answers

What do big websites do about spam emails to the support department?

My website's support email address is starting to get a lot of spam emails to it, what do big companies do about this?
James T
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5
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6 answers

How to avoid getting spam through a website?

We seem to be getting A LOT of email spam, we have a combination of the email addresses as mailto links and contact forms that send to the same address. What measures can we put in place that will eliminate the majority of spam? We need to keep a…
Rob
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5
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3 answers

Stopping comment spam with links(need suggestion)

Possible Duplicate: How can I prevent comment spam on sites which I control? After bearing 1 year spammy comments with links in those in my 10 sites, finally I've disallowed comment posting with prefix of "http" or "https" ( with message that…
AgA
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